When light travels from water to glass does it toward or away?

A certain string on a piano is tuned to produce middle c (f = 261.63 hz) by carefully adjusting the tension in the string. for a fixed wavelength, what is the frequency when this tension is tripled?

Which of the following would double the amount of current flowing through a piece of metal wire? Quadruple the voltage across it. Quarter the voltage across it. Halve the voltage across it. Double the voltage across it.

Assuming the dread pirate roberts never misses, how far from the end of the cannon is the ship that you are trying to hit (neglect dimensions of cannon) ? answer in units of m.

How are amplitude of a sound wave and the loudness of the sound related

Is it true that once rocks forms it never changes

A centrifuge in a forensics laboratory rotates at an angular speed of 3,750 rev/min. When switched off, it rotates 52.0 times before coming to rest. Find the constant angular acceleration of the centrifuge (in rad/s2).

How can a global dependence on fossil fuels have associated social costs?

When light travels from water to glass does it toward or away?

A sphere of radius 10.0cm is moulded into a uniform cylindrical wire of same radius r calculate length in millimeters

Explain the deeply rooted historical factors that moved america toward independence from britain.